"use strict";
/*
 * @Descripttion:
 * @version:
 * @Author: wtzhang
 * @Date: 2021-07-02 09:27:06
 * @LastEditors: wtzhang
 * @LastEditTime: 2021-07-02 16:31:59
 */
//  let dom = document.getElementById(elementId: "box")
var sum1;
sum1 = function (a, b) {
    return a + b;
};
console.log(sum1(3, 2));
